pgLatLon

diff latlon--0.16.sql @ 83:037e28f426e7

Set version to 0.16
author jbe
date Thu Oct 23 15:31:50 2025 +0200 (4 weeks ago)
parents latlon--0.15.sql@4eb23fd90088
children
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/latlon--0.16.sql	Thu Oct 23 15:31:50 2025 +0200
     1.3 @@ -0,0 +1,1821 @@
     1.4 +----------------------------------------
     1.5 +-- forward declarations (shell types) --
     1.6 +----------------------------------------
     1.7 +
     1.8 +CREATE TYPE ekey_point;
     1.9 +CREATE TYPE ekey_area;
    1.10 +CREATE TYPE epoint;
    1.11 +CREATE TYPE epoint_with_sample_count;
    1.12 +CREATE TYPE ebox;
    1.13 +CREATE TYPE ecircle;
    1.14 +CREATE TYPE ecluster;
    1.15 +
    1.16 +
    1.17 +------------------------------------------------------------
    1.18 +-- dummy input/output functions for dummy index key types --
    1.19 +------------------------------------------------------------
    1.20 +
    1.21 +CREATE FUNCTION ekey_point_in_dummy(cstring)
    1.22 +  RETURNS ekey_point
    1.23 +  LANGUAGE C IMMUTABLE STRICT
    1.24 +  AS '$libdir/latlon-v0010', 'pgl_notimpl';
    1.25 +
    1.26 +CREATE FUNCTION ekey_point_out_dummy(ekey_point)
    1.27 +  RETURNS cstring
    1.28 +  LANGUAGE C IMMUTABLE STRICT
    1.29 +  AS '$libdir/latlon-v0010', 'pgl_notimpl';
    1.30 +
    1.31 +CREATE FUNCTION ekey_area_in_dummy(cstring)
    1.32 +  RETURNS ekey_area
    1.33 +  LANGUAGE C IMMUTABLE STRICT
    1.34 +  AS '$libdir/latlon-v0010', 'pgl_notimpl';
    1.35 +
    1.36 +CREATE FUNCTION ekey_area_out_dummy(ekey_area)
    1.37 +  RETURNS cstring
    1.38 +  LANGUAGE C IMMUTABLE STRICT
    1.39 +  AS '$libdir/latlon-v0010', 'pgl_notimpl';
    1.40 +
    1.41 +
    1.42 +--------------------------
    1.43 +-- text input functions --
    1.44 +--------------------------
    1.45 +
    1.46 +CREATE FUNCTION epoint_in(cstring)
    1.47 +  RETURNS epoint
    1.48 +  LANGUAGE C IMMUTABLE STRICT
    1.49 +  AS '$libdir/latlon-v0010', 'pgl_epoint_in';
    1.50 +
    1.51 +CREATE FUNCTION epoint_with_sample_count_in(cstring)
    1.52 +  RETURNS epoint_with_sample_count
    1.53 +  LANGUAGE C IMMUTABLE STRICT
    1.54 +  AS '$libdir/latlon-v0010', 'pgl_epoint_with_sample_count_in';
    1.55 +
    1.56 +CREATE FUNCTION ebox_in(cstring)
    1.57 +  RETURNS ebox
    1.58 +  LANGUAGE C IMMUTABLE STRICT
    1.59 +  AS '$libdir/latlon-v0010', 'pgl_ebox_in';
    1.60 +
    1.61 +CREATE FUNCTION ecircle_in(cstring)
    1.62 +  RETURNS ecircle
    1.63 +  LANGUAGE C IMMUTABLE STRICT
    1.64 +  AS '$libdir/latlon-v0010', 'pgl_ecircle_in';
    1.65 +
    1.66 +CREATE FUNCTION ecluster_in(cstring)
    1.67 +  RETURNS ecluster
    1.68 +  LANGUAGE C IMMUTABLE STRICT
    1.69 +  AS '$libdir/latlon-v0010', 'pgl_ecluster_in';
    1.70 +
    1.71 +
    1.72 +---------------------------
    1.73 +-- text output functions --
    1.74 +---------------------------
    1.75 +
    1.76 +CREATE FUNCTION epoint_out(epoint)
    1.77 +  RETURNS cstring
    1.78 +  LANGUAGE C IMMUTABLE STRICT
    1.79 +  AS '$libdir/latlon-v0010', 'pgl_epoint_out';
    1.80 +
    1.81 +CREATE FUNCTION epoint_with_sample_count_out(epoint_with_sample_count)
    1.82 +  RETURNS cstring
    1.83 +  LANGUAGE C IMMUTABLE STRICT
    1.84 +  AS '$libdir/latlon-v0010', 'pgl_epoint_with_sample_count_out';
    1.85 +
    1.86 +CREATE FUNCTION ebox_out(ebox)
    1.87 +  RETURNS cstring
    1.88 +  LANGUAGE C IMMUTABLE STRICT
    1.89 +  AS '$libdir/latlon-v0010', 'pgl_ebox_out';
    1.90 +
    1.91 +CREATE FUNCTION ecircle_out(ecircle)
    1.92 +  RETURNS cstring
    1.93 +  LANGUAGE C IMMUTABLE STRICT
    1.94 +  AS '$libdir/latlon-v0010', 'pgl_ecircle_out';
    1.95 +
    1.96 +CREATE FUNCTION ecluster_out(ecluster)
    1.97 +  RETURNS cstring
    1.98 +  LANGUAGE C IMMUTABLE STRICT
    1.99 +  AS '$libdir/latlon-v0010', 'pgl_ecluster_out';
   1.100 +
   1.101 +
   1.102 +--------------------------
   1.103 +-- binary I/O functions --
   1.104 +--------------------------
   1.105 +
   1.106 +CREATE FUNCTION epoint_recv(internal)
   1.107 +  RETURNS epoint
   1.108 +  LANGUAGE C IMMUTABLE STRICT
   1.109 +  AS '$libdir/latlon-v0010', 'pgl_epoint_recv';
   1.110 +
   1.111 +CREATE FUNCTION ebox_recv(internal)
   1.112 +  RETURNS ebox
   1.113 +  LANGUAGE C IMMUTABLE STRICT
   1.114 +  AS '$libdir/latlon-v0010', 'pgl_ebox_recv';
   1.115 +
   1.116 +CREATE FUNCTION ecircle_recv(internal)
   1.117 +  RETURNS ecircle
   1.118 +  LANGUAGE C IMMUTABLE STRICT
   1.119 +  AS '$libdir/latlon-v0010', 'pgl_ecircle_recv';
   1.120 +
   1.121 +CREATE FUNCTION epoint_send(epoint)
   1.122 +  RETURNS bytea
   1.123 +  LANGUAGE C IMMUTABLE STRICT
   1.124 +  AS '$libdir/latlon-v0010', 'pgl_epoint_send';
   1.125 +
   1.126 +CREATE FUNCTION ebox_send(ebox)
   1.127 +  RETURNS bytea
   1.128 +  LANGUAGE C IMMUTABLE STRICT
   1.129 +  AS '$libdir/latlon-v0010', 'pgl_ebox_send';
   1.130 +
   1.131 +CREATE FUNCTION ecircle_send(ecircle)
   1.132 +  RETURNS bytea
   1.133 +  LANGUAGE C IMMUTABLE STRICT
   1.134 +  AS '$libdir/latlon-v0010', 'pgl_ecircle_send';
   1.135 +
   1.136 +
   1.137 +-----------------------------------------------
   1.138 +-- type definitions of dummy index key types --
   1.139 +-----------------------------------------------
   1.140 +
   1.141 +CREATE TYPE ekey_point (
   1.142 +  internallength = 8,
   1.143 +  input = ekey_point_in_dummy,
   1.144 +  output = ekey_point_out_dummy,
   1.145 +  alignment = char );
   1.146 +
   1.147 +CREATE TYPE ekey_area (
   1.148 +  internallength = 9,
   1.149 +  input = ekey_area_in_dummy,
   1.150 +  output = ekey_area_out_dummy,
   1.151 +  alignment = char );
   1.152 +
   1.153 +
   1.154 +------------------------------------------
   1.155 +-- definitions of geographic data types --
   1.156 +------------------------------------------
   1.157 +
   1.158 +CREATE TYPE epoint (
   1.159 +  internallength = 16,
   1.160 +  input = epoint_in,
   1.161 +  output = epoint_out,
   1.162 +  receive = epoint_recv,
   1.163 +  send = epoint_send,
   1.164 +  alignment = double );
   1.165 +
   1.166 +CREATE TYPE epoint_with_sample_count (
   1.167 +  internallength = 20,
   1.168 +  input = epoint_with_sample_count_in,
   1.169 +  output = epoint_with_sample_count_out,
   1.170 +  alignment = double );
   1.171 +
   1.172 +CREATE TYPE ebox (
   1.173 +  internallength = 32,
   1.174 +  input = ebox_in,
   1.175 +  output = ebox_out,
   1.176 +  receive = ebox_recv,
   1.177 +  send = ebox_send,
   1.178 +  alignment = double );
   1.179 +
   1.180 +CREATE TYPE ecircle (
   1.181 +  internallength = 24,
   1.182 +  input = ecircle_in,
   1.183 +  output = ecircle_out,
   1.184 +  receive = ecircle_recv,
   1.185 +  send = ecircle_send,
   1.186 +  alignment = double );
   1.187 +
   1.188 +CREATE TYPE ecluster (
   1.189 +  internallength = VARIABLE,
   1.190 +  input = ecluster_in,
   1.191 +  output = ecluster_out,
   1.192 +  alignment = double,
   1.193 +  storage = external );
   1.194 +
   1.195 +
   1.196 +--------------------
   1.197 +-- B-tree support --
   1.198 +--------------------
   1.199 +
   1.200 +-- begin of B-tree support for epoint
   1.201 +
   1.202 +CREATE FUNCTION epoint_btree_lt(epoint, epoint)
   1.203 +  RETURNS boolean
   1.204 +  LANGUAGE C IMMUTABLE STRICT
   1.205 +  AS '$libdir/latlon-v0010', 'pgl_btree_epoint_lt';
   1.206 +
   1.207 +CREATE FUNCTION epoint_btree_le(epoint, epoint)
   1.208 +  RETURNS boolean
   1.209 +  LANGUAGE C IMMUTABLE STRICT
   1.210 +  AS '$libdir/latlon-v0010', 'pgl_btree_epoint_le';
   1.211 +
   1.212 +CREATE FUNCTION epoint_btree_eq(epoint, epoint)
   1.213 +  RETURNS boolean
   1.214 +  LANGUAGE C IMMUTABLE STRICT
   1.215 +  AS '$libdir/latlon-v0010', 'pgl_btree_epoint_eq';
   1.216 +
   1.217 +CREATE FUNCTION epoint_btree_ne(epoint, epoint)
   1.218 +  RETURNS boolean
   1.219 +  LANGUAGE C IMMUTABLE STRICT
   1.220 +  AS '$libdir/latlon-v0010', 'pgl_btree_epoint_ne';
   1.221 +
   1.222 +CREATE FUNCTION epoint_btree_ge(epoint, epoint)
   1.223 +  RETURNS boolean
   1.224 +  LANGUAGE C IMMUTABLE STRICT
   1.225 +  AS '$libdir/latlon-v0010', 'pgl_btree_epoint_ge';
   1.226 +
   1.227 +CREATE FUNCTION epoint_btree_gt(epoint, epoint)
   1.228 +  RETURNS boolean
   1.229 +  LANGUAGE C IMMUTABLE STRICT
   1.230 +  AS '$libdir/latlon-v0010', 'pgl_btree_epoint_gt';
   1.231 +
   1.232 +CREATE OPERATOR <<< (
   1.233 +  leftarg = epoint,
   1.234 +  rightarg = epoint,
   1.235 +  procedure = epoint_btree_lt,
   1.236 +  commutator = >>>,
   1.237 +  negator = >>>=,
   1.238 +  restrict = scalarltsel,
   1.239 +  join = scalarltjoinsel
   1.240 +);
   1.241 +
   1.242 +CREATE OPERATOR <<<= (
   1.243 +  leftarg = epoint,
   1.244 +  rightarg = epoint,
   1.245 +  procedure = epoint_btree_le,
   1.246 +  commutator = >>>=,
   1.247 +  negator = >>>,
   1.248 +  restrict = scalarltsel,
   1.249 +  join = scalarltjoinsel
   1.250 +);
   1.251 +
   1.252 +CREATE OPERATOR = (
   1.253 +  leftarg = epoint,
   1.254 +  rightarg = epoint,
   1.255 +  procedure = epoint_btree_eq,
   1.256 +  commutator = =,
   1.257 +  negator = <>,
   1.258 +  restrict = eqsel,
   1.259 +  join = eqjoinsel,
   1.260 +  merges
   1.261 +);
   1.262 +
   1.263 +CREATE OPERATOR <> (
   1.264 +  leftarg = epoint,
   1.265 +  rightarg = epoint,
   1.266 +  procedure = epoint_btree_ne,
   1.267 +  commutator = <>,
   1.268 +  negator = =,
   1.269 +  restrict = neqsel,
   1.270 +  join = neqjoinsel
   1.271 +);
   1.272 +
   1.273 +CREATE OPERATOR >>>= (
   1.274 +  leftarg = epoint,
   1.275 +  rightarg = epoint,
   1.276 +  procedure = epoint_btree_ge,
   1.277 +  commutator = <<<=,
   1.278 +  negator = <<<,
   1.279 +  restrict = scalargtsel,
   1.280 +  join = scalargtjoinsel
   1.281 +);
   1.282 +
   1.283 +CREATE OPERATOR >>> (
   1.284 +  leftarg = epoint,
   1.285 +  rightarg = epoint,
   1.286 +  procedure = epoint_btree_gt,
   1.287 +  commutator = <<<,
   1.288 +  negator = <<<=,
   1.289 +  restrict = scalargtsel,
   1.290 +  join = scalargtjoinsel
   1.291 +);
   1.292 +
   1.293 +CREATE FUNCTION epoint_btree_cmp(epoint, epoint)
   1.294 +  RETURNS int4
   1.295 +  LANGUAGE C IMMUTABLE STRICT
   1.296 +  AS '$libdir/latlon-v0010', 'pgl_btree_epoint_cmp';
   1.297 +
   1.298 +CREATE OPERATOR CLASS epoint_btree_ops
   1.299 +  DEFAULT FOR TYPE epoint USING btree AS
   1.300 +  OPERATOR 1 <<< ,
   1.301 +  OPERATOR 2 <<<= ,
   1.302 +  OPERATOR 3 = ,
   1.303 +  OPERATOR 4 >>>= ,
   1.304 +  OPERATOR 5 >>> ,
   1.305 +  FUNCTION 1 epoint_btree_cmp(epoint, epoint);
   1.306 +
   1.307 +-- end of B-tree support for epoint
   1.308 +
   1.309 +-- begin of B-tree support for ebox
   1.310 +
   1.311 +CREATE FUNCTION ebox_btree_lt(ebox, ebox)
   1.312 +  RETURNS boolean
   1.313 +  LANGUAGE C IMMUTABLE STRICT
   1.314 +  AS '$libdir/latlon-v0010', 'pgl_btree_ebox_lt';
   1.315 +
   1.316 +CREATE FUNCTION ebox_btree_le(ebox, ebox)
   1.317 +  RETURNS boolean
   1.318 +  LANGUAGE C IMMUTABLE STRICT
   1.319 +  AS '$libdir/latlon-v0010', 'pgl_btree_ebox_le';
   1.320 +
   1.321 +CREATE FUNCTION ebox_btree_eq(ebox, ebox)
   1.322 +  RETURNS boolean
   1.323 +  LANGUAGE C IMMUTABLE STRICT
   1.324 +  AS '$libdir/latlon-v0010', 'pgl_btree_ebox_eq';
   1.325 +
   1.326 +CREATE FUNCTION ebox_btree_ne(ebox, ebox)
   1.327 +  RETURNS boolean
   1.328 +  LANGUAGE C IMMUTABLE STRICT
   1.329 +  AS '$libdir/latlon-v0010', 'pgl_btree_ebox_ne';
   1.330 +
   1.331 +CREATE FUNCTION ebox_btree_ge(ebox, ebox)
   1.332 +  RETURNS boolean
   1.333 +  LANGUAGE C IMMUTABLE STRICT
   1.334 +  AS '$libdir/latlon-v0010', 'pgl_btree_ebox_ge';
   1.335 +
   1.336 +CREATE FUNCTION ebox_btree_gt(ebox, ebox)
   1.337 +  RETURNS boolean
   1.338 +  LANGUAGE C IMMUTABLE STRICT
   1.339 +  AS '$libdir/latlon-v0010', 'pgl_btree_ebox_gt';
   1.340 +
   1.341 +CREATE OPERATOR <<< (
   1.342 +  leftarg = ebox,
   1.343 +  rightarg = ebox,
   1.344 +  procedure = ebox_btree_lt,
   1.345 +  commutator = >>>,
   1.346 +  negator = >>>=,
   1.347 +  restrict = scalarltsel,
   1.348 +  join = scalarltjoinsel
   1.349 +);
   1.350 +
   1.351 +CREATE OPERATOR <<<= (
   1.352 +  leftarg = ebox,
   1.353 +  rightarg = ebox,
   1.354 +  procedure = ebox_btree_le,
   1.355 +  commutator = >>>=,
   1.356 +  negator = >>>,
   1.357 +  restrict = scalarltsel,
   1.358 +  join = scalarltjoinsel
   1.359 +);
   1.360 +
   1.361 +CREATE OPERATOR = (
   1.362 +  leftarg = ebox,
   1.363 +  rightarg = ebox,
   1.364 +  procedure = ebox_btree_eq,
   1.365 +  commutator = =,
   1.366 +  negator = <>,
   1.367 +  restrict = eqsel,
   1.368 +  join = eqjoinsel,
   1.369 +  merges
   1.370 +);
   1.371 +
   1.372 +CREATE OPERATOR <> (
   1.373 +  leftarg = ebox,
   1.374 +  rightarg = ebox,
   1.375 +  procedure = ebox_btree_ne,
   1.376 +  commutator = <>,
   1.377 +  negator = =,
   1.378 +  restrict = neqsel,
   1.379 +  join = neqjoinsel
   1.380 +);
   1.381 +
   1.382 +CREATE OPERATOR >>>= (
   1.383 +  leftarg = ebox,
   1.384 +  rightarg = ebox,
   1.385 +  procedure = ebox_btree_ge,
   1.386 +  commutator = <<<=,
   1.387 +  negator = <<<,
   1.388 +  restrict = scalargtsel,
   1.389 +  join = scalargtjoinsel
   1.390 +);
   1.391 +
   1.392 +CREATE OPERATOR >>> (
   1.393 +  leftarg = ebox,
   1.394 +  rightarg = ebox,
   1.395 +  procedure = ebox_btree_gt,
   1.396 +  commutator = <<<,
   1.397 +  negator = <<<=,
   1.398 +  restrict = scalargtsel,
   1.399 +  join = scalargtjoinsel
   1.400 +);
   1.401 +
   1.402 +CREATE FUNCTION ebox_btree_cmp(ebox, ebox)
   1.403 +  RETURNS int4
   1.404 +  LANGUAGE C IMMUTABLE STRICT
   1.405 +  AS '$libdir/latlon-v0010', 'pgl_btree_ebox_cmp';
   1.406 +
   1.407 +CREATE OPERATOR CLASS ebox_btree_ops
   1.408 +  DEFAULT FOR TYPE ebox USING btree AS
   1.409 +  OPERATOR 1 <<< ,
   1.410 +  OPERATOR 2 <<<= ,
   1.411 +  OPERATOR 3 = ,
   1.412 +  OPERATOR 4 >>>= ,
   1.413 +  OPERATOR 5 >>> ,
   1.414 +  FUNCTION 1 ebox_btree_cmp(ebox, ebox);
   1.415 +
   1.416 +-- end of B-tree support for ebox
   1.417 +
   1.418 +-- begin of B-tree support for ecircle
   1.419 +
   1.420 +CREATE FUNCTION ecircle_btree_lt(ecircle, ecircle)
   1.421 +  RETURNS boolean
   1.422 +  LANGUAGE C IMMUTABLE STRICT
   1.423 +  AS '$libdir/latlon-v0010', 'pgl_btree_ecircle_lt';
   1.424 +
   1.425 +CREATE FUNCTION ecircle_btree_le(ecircle, ecircle)
   1.426 +  RETURNS boolean
   1.427 +  LANGUAGE C IMMUTABLE STRICT
   1.428 +  AS '$libdir/latlon-v0010', 'pgl_btree_ecircle_le';
   1.429 +
   1.430 +CREATE FUNCTION ecircle_btree_eq(ecircle, ecircle)
   1.431 +  RETURNS boolean
   1.432 +  LANGUAGE C IMMUTABLE STRICT
   1.433 +  AS '$libdir/latlon-v0010', 'pgl_btree_ecircle_eq';
   1.434 +
   1.435 +CREATE FUNCTION ecircle_btree_ne(ecircle, ecircle)
   1.436 +  RETURNS boolean
   1.437 +  LANGUAGE C IMMUTABLE STRICT
   1.438 +  AS '$libdir/latlon-v0010', 'pgl_btree_ecircle_ne';
   1.439 +
   1.440 +CREATE FUNCTION ecircle_btree_ge(ecircle, ecircle)
   1.441 +  RETURNS boolean
   1.442 +  LANGUAGE C IMMUTABLE STRICT
   1.443 +  AS '$libdir/latlon-v0010', 'pgl_btree_ecircle_ge';
   1.444 +
   1.445 +CREATE FUNCTION ecircle_btree_gt(ecircle, ecircle)
   1.446 +  RETURNS boolean
   1.447 +  LANGUAGE C IMMUTABLE STRICT
   1.448 +  AS '$libdir/latlon-v0010', 'pgl_btree_ecircle_gt';
   1.449 +
   1.450 +CREATE OPERATOR <<< (
   1.451 +  leftarg = ecircle,
   1.452 +  rightarg = ecircle,
   1.453 +  procedure = ecircle_btree_lt,
   1.454 +  commutator = >>>,
   1.455 +  negator = >>>=,
   1.456 +  restrict = scalarltsel,
   1.457 +  join = scalarltjoinsel
   1.458 +);
   1.459 +
   1.460 +CREATE OPERATOR <<<= (
   1.461 +  leftarg = ecircle,
   1.462 +  rightarg = ecircle,
   1.463 +  procedure = ecircle_btree_le,
   1.464 +  commutator = >>>=,
   1.465 +  negator = >>>,
   1.466 +  restrict = scalarltsel,
   1.467 +  join = scalarltjoinsel
   1.468 +);
   1.469 +
   1.470 +CREATE OPERATOR = (
   1.471 +  leftarg = ecircle,
   1.472 +  rightarg = ecircle,
   1.473 +  procedure = ecircle_btree_eq,
   1.474 +  commutator = =,
   1.475 +  negator = <>,
   1.476 +  restrict = eqsel,
   1.477 +  join = eqjoinsel,
   1.478 +  merges
   1.479 +);
   1.480 +
   1.481 +CREATE OPERATOR <> (
   1.482 +  leftarg = ecircle,
   1.483 +  rightarg = ecircle,
   1.484 +  procedure = ecircle_btree_ne,
   1.485 +  commutator = <>,
   1.486 +  negator = =,
   1.487 +  restrict = neqsel,
   1.488 +  join = neqjoinsel
   1.489 +);
   1.490 +
   1.491 +CREATE OPERATOR >>>= (
   1.492 +  leftarg = ecircle,
   1.493 +  rightarg = ecircle,
   1.494 +  procedure = ecircle_btree_ge,
   1.495 +  commutator = <<<=,
   1.496 +  negator = <<<,
   1.497 +  restrict = scalargtsel,
   1.498 +  join = scalargtjoinsel
   1.499 +);
   1.500 +
   1.501 +CREATE OPERATOR >>> (
   1.502 +  leftarg = ecircle,
   1.503 +  rightarg = ecircle,
   1.504 +  procedure = ecircle_btree_gt,
   1.505 +  commutator = <<<,
   1.506 +  negator = <<<=,
   1.507 +  restrict = scalargtsel,
   1.508 +  join = scalargtjoinsel
   1.509 +);
   1.510 +
   1.511 +CREATE FUNCTION ecircle_btree_cmp(ecircle, ecircle)
   1.512 +  RETURNS int4
   1.513 +  LANGUAGE C IMMUTABLE STRICT
   1.514 +  AS '$libdir/latlon-v0010', 'pgl_btree_ecircle_cmp';
   1.515 +
   1.516 +CREATE OPERATOR CLASS ecircle_btree_ops
   1.517 +  DEFAULT FOR TYPE ecircle USING btree AS
   1.518 +  OPERATOR 1 <<< ,
   1.519 +  OPERATOR 2 <<<= ,
   1.520 +  OPERATOR 3 = ,
   1.521 +  OPERATOR 4 >>>= ,
   1.522 +  OPERATOR 5 >>> ,
   1.523 +  FUNCTION 1 ecircle_btree_cmp(ecircle, ecircle);
   1.524 +
   1.525 +-- end of B-tree support for ecircle
   1.526 +
   1.527 +
   1.528 +----------------
   1.529 +-- type casts --
   1.530 +----------------
   1.531 +
   1.532 +CREATE FUNCTION cast_epoint_to_ebox(epoint)
   1.533 +  RETURNS ebox
   1.534 +  LANGUAGE C IMMUTABLE STRICT
   1.535 +  AS '$libdir/latlon-v0010', 'pgl_epoint_to_ebox';
   1.536 +
   1.537 +CREATE CAST (epoint AS ebox) WITH FUNCTION cast_epoint_to_ebox(epoint);
   1.538 +
   1.539 +CREATE FUNCTION cast_epoint_to_ecircle(epoint)
   1.540 +  RETURNS ecircle
   1.541 +  LANGUAGE C IMMUTABLE STRICT
   1.542 +  AS '$libdir/latlon-v0010', 'pgl_epoint_to_ecircle';
   1.543 +
   1.544 +CREATE CAST (epoint AS ecircle) WITH FUNCTION cast_epoint_to_ecircle(epoint);
   1.545 +
   1.546 +CREATE FUNCTION cast_epoint_to_ecluster(epoint)
   1.547 +  RETURNS ecluster
   1.548 +  LANGUAGE C IMMUTABLE STRICT
   1.549 +  AS '$libdir/latlon-v0010', 'pgl_epoint_to_ecluster';
   1.550 +
   1.551 +CREATE CAST (epoint AS ecluster) WITH FUNCTION cast_epoint_to_ecluster(epoint);
   1.552 +
   1.553 +CREATE FUNCTION cast_ebox_to_ecluster(ebox)
   1.554 +  RETURNS ecluster
   1.555 +  LANGUAGE C IMMUTABLE STRICT
   1.556 +  AS '$libdir/latlon-v0010', 'pgl_ebox_to_ecluster';
   1.557 +
   1.558 +CREATE CAST (ebox AS ecluster) WITH FUNCTION cast_ebox_to_ecluster(ebox);
   1.559 +
   1.560 +
   1.561 +---------------------------
   1.562 +-- constructor functions --
   1.563 +---------------------------
   1.564 +
   1.565 +CREATE FUNCTION epoint(float8, float8)
   1.566 +  RETURNS epoint
   1.567 +  LANGUAGE C IMMUTABLE STRICT
   1.568 +  AS '$libdir/latlon-v0010', 'pgl_create_epoint';
   1.569 +
   1.570 +CREATE FUNCTION epoint_latlon(float8, float8)
   1.571 +  RETURNS epoint
   1.572 +  LANGUAGE SQL IMMUTABLE STRICT AS $$
   1.573 +    SELECT @extschema@.epoint($1, $2)
   1.574 +  $$;
   1.575 +
   1.576 +CREATE FUNCTION epoint_lonlat(float8, float8)
   1.577 +  RETURNS epoint
   1.578 +  LANGUAGE SQL IMMUTABLE STRICT AS $$
   1.579 +    SELECT @extschema@.epoint($2, $1)
   1.580 +  $$;
   1.581 +
   1.582 +CREATE FUNCTION epoint_with_sample_count(epoint, int4)
   1.583 +  RETURNS epoint_with_sample_count
   1.584 +  LANGUAGE C IMMUTABLE STRICT
   1.585 +  AS '$libdir/latlon-v0010', 'pgl_create_epoint_with_sample_count';
   1.586 +
   1.587 +CREATE FUNCTION empty_ebox()
   1.588 +  RETURNS ebox
   1.589 +  LANGUAGE C IMMUTABLE STRICT
   1.590 +  AS '$libdir/latlon-v0010', 'pgl_create_empty_ebox';
   1.591 +
   1.592 +CREATE FUNCTION ebox(float8, float8, float8, float8)
   1.593 +  RETURNS ebox
   1.594 +  LANGUAGE C IMMUTABLE STRICT
   1.595 +  AS '$libdir/latlon-v0010', 'pgl_create_ebox';
   1.596 +
   1.597 +CREATE FUNCTION ebox(epoint, epoint)
   1.598 +  RETURNS ebox
   1.599 +  LANGUAGE C IMMUTABLE STRICT
   1.600 +  AS '$libdir/latlon-v0010', 'pgl_create_ebox_from_epoints';
   1.601 +
   1.602 +CREATE FUNCTION ecircle(float8, float8, float8)
   1.603 +  RETURNS ecircle
   1.604 +  LANGUAGE C IMMUTABLE STRICT
   1.605 +  AS '$libdir/latlon-v0010', 'pgl_create_ecircle';
   1.606 +
   1.607 +CREATE FUNCTION ecircle(epoint, float8)
   1.608 +  RETURNS ecircle
   1.609 +  LANGUAGE C IMMUTABLE STRICT
   1.610 +  AS '$libdir/latlon-v0010', 'pgl_create_ecircle_from_epoint';
   1.611 +
   1.612 +CREATE FUNCTION ecluster_concat(ecluster[])
   1.613 +  RETURNS ecluster
   1.614 +  LANGUAGE sql IMMUTABLE STRICT AS $$
   1.615 +    SELECT pg_catalog.array_to_string($1, ' ')::@extschema@.ecluster
   1.616 +  $$;
   1.617 +
   1.618 +CREATE FUNCTION ecluster_concat(ecluster, ecluster)
   1.619 +  RETURNS ecluster
   1.620 +  LANGUAGE sql IMMUTABLE STRICT AS $$
   1.621 +    SELECT (
   1.622 +      $1::pg_catalog.text OPERATOR(pg_catalog.||) ' ' OPERATOR(pg_catalog.||)
   1.623 +      $2::pg_catalog.text
   1.624 +    )::@extschema@.ecluster
   1.625 +  $$;
   1.626 +
   1.627 +CREATE FUNCTION ecluster_create_multipoint(epoint[])
   1.628 +  RETURNS ecluster
   1.629 +  LANGUAGE sql IMMUTABLE STRICT AS $$
   1.630 +    SELECT
   1.631 +      pg_catalog.array_to_string(
   1.632 +        pg_catalog.array_agg(
   1.633 +          'point (' OPERATOR(pg_catalog.||) unnest OPERATOR(pg_catalog.||) ')'
   1.634 +        ),
   1.635 +        ' '
   1.636 +      )::@extschema@.ecluster
   1.637 +    FROM pg_catalog.unnest($1)
   1.638 +  $$;
   1.639 +
   1.640 +CREATE FUNCTION ecluster_create_path(epoint[])
   1.641 +  RETURNS ecluster
   1.642 +  LANGUAGE sql IMMUTABLE STRICT AS $$
   1.643 +    SELECT CASE WHEN "str" OPERATOR(pg_catalog.=) '' THEN
   1.644 +      'empty'::@extschema@.ecluster
   1.645 +    ELSE
   1.646 +      (
   1.647 +        'path (' OPERATOR(pg_catalog.||) "str" OPERATOR(pg_catalog.||) ')'
   1.648 +      )::@extschema@.ecluster
   1.649 +    END
   1.650 +    FROM pg_catalog.array_to_string($1, ' ') AS "str"
   1.651 +  $$;
   1.652 +
   1.653 +CREATE FUNCTION ecluster_create_outline(epoint[])
   1.654 +  RETURNS ecluster
   1.655 +  LANGUAGE sql IMMUTABLE STRICT AS $$
   1.656 +    SELECT CASE WHEN "str" OPERATOR(pg_catalog.=) '' THEN
   1.657 +      'empty'::@extschema@.ecluster
   1.658 +    ELSE
   1.659 +      (
   1.660 +        'outline (' OPERATOR(pg_catalog.||) "str" OPERATOR(pg_catalog.||) ')'
   1.661 +      )::@extschema@.ecluster
   1.662 +    END
   1.663 +    FROM pg_catalog.array_to_string($1, ' ') AS "str"
   1.664 +  $$;
   1.665 +
   1.666 +CREATE FUNCTION ecluster_create_polygon(epoint[])
   1.667 +  RETURNS ecluster
   1.668 +  LANGUAGE sql IMMUTABLE STRICT AS $$
   1.669 +    SELECT CASE WHEN "str" OPERATOR(pg_catalog.=) '' THEN
   1.670 +      'empty'::@extschema@.ecluster
   1.671 +    ELSE
   1.672 +      (
   1.673 +        'polygon (' OPERATOR(pg_catalog.||) pg_catalog.array_to_string($1, ' ')
   1.674 +        OPERATOR(pg_catalog.||) ')'
   1.675 +      )::@extschema@.ecluster
   1.676 +    END
   1.677 +    FROM pg_catalog.array_to_string($1, ' ') AS "str"
   1.678 +  $$;
   1.679 +
   1.680 +
   1.681 +----------------------
   1.682 +-- getter functions --
   1.683 +----------------------
   1.684 +
   1.685 +CREATE FUNCTION latitude(epoint)
   1.686 +  RETURNS float8
   1.687 +  LANGUAGE C IMMUTABLE STRICT
   1.688 +  AS '$libdir/latlon-v0010', 'pgl_epoint_lat';
   1.689 +
   1.690 +CREATE FUNCTION longitude(epoint)
   1.691 +  RETURNS float8
   1.692 +  LANGUAGE C IMMUTABLE STRICT
   1.693 +  AS '$libdir/latlon-v0010', 'pgl_epoint_lon';
   1.694 +
   1.695 +CREATE FUNCTION min_latitude(ebox)
   1.696 +  RETURNS float8
   1.697 +  LANGUAGE C IMMUTABLE STRICT
   1.698 +  AS '$libdir/latlon-v0010', 'pgl_ebox_lat_min';
   1.699 +
   1.700 +CREATE FUNCTION max_latitude(ebox)
   1.701 +  RETURNS float8
   1.702 +  LANGUAGE C IMMUTABLE STRICT
   1.703 +  AS '$libdir/latlon-v0010', 'pgl_ebox_lat_max';
   1.704 +
   1.705 +CREATE FUNCTION min_longitude(ebox)
   1.706 +  RETURNS float8
   1.707 +  LANGUAGE C IMMUTABLE STRICT
   1.708 +  AS '$libdir/latlon-v0010', 'pgl_ebox_lon_min';
   1.709 +
   1.710 +CREATE FUNCTION max_longitude(ebox)
   1.711 +  RETURNS float8
   1.712 +  LANGUAGE C IMMUTABLE STRICT
   1.713 +  AS '$libdir/latlon-v0010', 'pgl_ebox_lon_max';
   1.714 +
   1.715 +CREATE FUNCTION center(ecircle)
   1.716 +  RETURNS epoint
   1.717 +  LANGUAGE C IMMUTABLE STRICT
   1.718 +  AS '$libdir/latlon-v0010', 'pgl_ecircle_center';
   1.719 +
   1.720 +CREATE FUNCTION radius(ecircle)
   1.721 +  RETURNS float8
   1.722 +  LANGUAGE C IMMUTABLE STRICT
   1.723 +  AS '$libdir/latlon-v0010', 'pgl_ecircle_radius';
   1.724 +
   1.725 +CREATE FUNCTION ecluster_extract_points(ecluster)
   1.726 +  RETURNS SETOF epoint
   1.727 +  LANGUAGE sql IMMUTABLE STRICT AS $$
   1.728 +    SELECT "match"[2]::@extschema@.epoint
   1.729 +    FROM pg_catalog.regexp_matches(
   1.730 +      $1::pg_catalog.text, e'(^| )point \\(([^)]+)\\)', 'g'
   1.731 +    ) AS "match"
   1.732 +  $$;
   1.733 +
   1.734 +CREATE FUNCTION ecluster_extract_paths(ecluster)
   1.735 +  RETURNS SETOF epoint[]
   1.736 +  LANGUAGE sql IMMUTABLE STRICT AS $$
   1.737 +    SELECT (
   1.738 +      SELECT pg_catalog.array_agg("m2"[1]::@extschema@.epoint)
   1.739 +      FROM pg_catalog.regexp_matches("m1"[2], e'[^ ]+ [^ ]+', 'g') AS "m2"
   1.740 +    )
   1.741 +    FROM pg_catalog.regexp_matches(
   1.742 +      $1::pg_catalog.text, e'(^| )path \\(([^)]+)\\)', 'g'
   1.743 +    ) AS "m1"
   1.744 +  $$;
   1.745 +
   1.746 +CREATE FUNCTION ecluster_extract_outlines(ecluster)
   1.747 +  RETURNS SETOF epoint[]
   1.748 +  LANGUAGE sql IMMUTABLE STRICT AS $$
   1.749 +    SELECT (
   1.750 +      SELECT pg_catalog.array_agg("m2"[1]::@extschema@.epoint)
   1.751 +      FROM pg_catalog.regexp_matches("m1"[2], e'[^ ]+ [^ ]+', 'g') AS "m2"
   1.752 +    )
   1.753 +    FROM pg_catalog.regexp_matches(
   1.754 +      $1::pg_catalog.text, e'(^| )outline \\(([^)]+)\\)', 'g'
   1.755 +    ) AS "m1"
   1.756 +  $$;
   1.757 +
   1.758 +CREATE FUNCTION ecluster_extract_polygons(ecluster)
   1.759 +  RETURNS SETOF epoint[]
   1.760 +  LANGUAGE sql IMMUTABLE STRICT AS $$
   1.761 +    SELECT (
   1.762 +      SELECT pg_catalog.array_agg("m2"[1]::@extschema@.epoint)
   1.763 +      FROM pg_catalog.regexp_matches("m1"[2], e'[^ ]+ [^ ]+', 'g') AS "m2"
   1.764 +    )
   1.765 +    FROM pg_catalog.regexp_matches(
   1.766 +      $1::pg_catalog.text, e'(^| )polygon \\(([^)]+)\\)', 'g'
   1.767 +    ) AS "m1"
   1.768 +  $$;
   1.769 +
   1.770 +
   1.771 +---------------
   1.772 +-- operators --
   1.773 +---------------
   1.774 +
   1.775 +CREATE FUNCTION epoint_ebox_overlap_proc(epoint, ebox)
   1.776 +  RETURNS boolean
   1.777 +  LANGUAGE C IMMUTABLE STRICT
   1.778 +  AS '$libdir/latlon-v0010', 'pgl_epoint_ebox_overlap';
   1.779 +
   1.780 +CREATE FUNCTION epoint_ecircle_overlap_proc(epoint, ecircle)
   1.781 +  RETURNS boolean
   1.782 +  LANGUAGE C IMMUTABLE STRICT
   1.783 +  AS '$libdir/latlon-v0010', 'pgl_epoint_ecircle_overlap';
   1.784 +
   1.785 +CREATE FUNCTION epoint_ecluster_overlap_proc(epoint, ecluster)
   1.786 +  RETURNS boolean
   1.787 +  LANGUAGE C IMMUTABLE STRICT
   1.788 +  AS '$libdir/latlon-v0010', 'pgl_epoint_ecluster_overlap';
   1.789 +
   1.790 +CREATE FUNCTION epoint_ecluster_may_overlap_proc(epoint, ecluster)
   1.791 +  RETURNS boolean
   1.792 +  LANGUAGE C IMMUTABLE STRICT
   1.793 +  AS '$libdir/latlon-v0010', 'pgl_epoint_ecluster_may_overlap';
   1.794 +
   1.795 +CREATE FUNCTION ebox_overlap_proc(ebox, ebox)
   1.796 +  RETURNS boolean
   1.797 +  LANGUAGE C IMMUTABLE STRICT
   1.798 +  AS '$libdir/latlon-v0010', 'pgl_ebox_overlap';
   1.799 +
   1.800 +CREATE FUNCTION ebox_ecircle_may_overlap_proc(ebox, ecircle)
   1.801 +  RETURNS boolean
   1.802 +  LANGUAGE C IMMUTABLE STRICT
   1.803 +  AS '$libdir/latlon-v0010', 'pgl_ebox_ecircle_may_overlap';
   1.804 +
   1.805 +CREATE FUNCTION ebox_ecluster_may_overlap_proc(ebox, ecluster)
   1.806 +  RETURNS boolean
   1.807 +  LANGUAGE C IMMUTABLE STRICT
   1.808 +  AS '$libdir/latlon-v0010', 'pgl_ebox_ecluster_may_overlap';
   1.809 +
   1.810 +CREATE FUNCTION ecircle_overlap_proc(ecircle, ecircle)
   1.811 +  RETURNS boolean
   1.812 +  LANGUAGE C IMMUTABLE STRICT
   1.813 +  AS '$libdir/latlon-v0010', 'pgl_ecircle_overlap';
   1.814 +
   1.815 +CREATE FUNCTION ecircle_ecluster_overlap_proc(ecircle, ecluster)
   1.816 +  RETURNS boolean
   1.817 +  LANGUAGE C IMMUTABLE STRICT
   1.818 +  AS '$libdir/latlon-v0010', 'pgl_ecircle_ecluster_overlap';
   1.819 +
   1.820 +CREATE FUNCTION ecircle_ecluster_may_overlap_proc(ecircle, ecluster)
   1.821 +  RETURNS boolean
   1.822 +  LANGUAGE C IMMUTABLE STRICT
   1.823 +  AS '$libdir/latlon-v0010', 'pgl_ecircle_ecluster_may_overlap';
   1.824 +
   1.825 +CREATE FUNCTION ecluster_overlap_proc(ecluster, ecluster)
   1.826 +  RETURNS boolean
   1.827 +  LANGUAGE C IMMUTABLE STRICT
   1.828 +  AS '$libdir/latlon-v0010', 'pgl_ecluster_overlap';
   1.829 +
   1.830 +CREATE FUNCTION ecluster_may_overlap_proc(ecluster, ecluster)
   1.831 +  RETURNS boolean
   1.832 +  LANGUAGE C IMMUTABLE STRICT
   1.833 +  AS '$libdir/latlon-v0010', 'pgl_ecluster_may_overlap';
   1.834 +
   1.835 +CREATE FUNCTION ecluster_contains_proc(ecluster, ecluster)
   1.836 +  RETURNS boolean
   1.837 +  LANGUAGE C IMMUTABLE STRICT
   1.838 +  AS '$libdir/latlon-v0010', 'pgl_ecluster_contains';
   1.839 +
   1.840 +CREATE FUNCTION epoint_distance_proc(epoint, epoint)
   1.841 +  RETURNS float8
   1.842 +  LANGUAGE C IMMUTABLE STRICT
   1.843 +  AS '$libdir/latlon-v0010', 'pgl_epoint_distance';
   1.844 +
   1.845 +CREATE FUNCTION epoint_ecircle_distance_proc(epoint, ecircle)
   1.846 +  RETURNS float8
   1.847 +  LANGUAGE C IMMUTABLE STRICT
   1.848 +  AS '$libdir/latlon-v0010', 'pgl_epoint_ecircle_distance';
   1.849 +
   1.850 +CREATE FUNCTION epoint_ecluster_distance_proc(epoint, ecluster)
   1.851 +  RETURNS float8
   1.852 +  LANGUAGE C IMMUTABLE STRICT
   1.853 +  AS '$libdir/latlon-v0010', 'pgl_epoint_ecluster_distance';
   1.854 +
   1.855 +CREATE FUNCTION ecircle_distance_proc(ecircle, ecircle)
   1.856 +  RETURNS float8
   1.857 +  LANGUAGE C IMMUTABLE STRICT
   1.858 +  AS '$libdir/latlon-v0010', 'pgl_ecircle_distance';
   1.859 +
   1.860 +CREATE FUNCTION ecircle_ecluster_distance_proc(ecircle, ecluster)
   1.861 +  RETURNS float8
   1.862 +  LANGUAGE C IMMUTABLE STRICT
   1.863 +  AS '$libdir/latlon-v0010', 'pgl_ecircle_ecluster_distance';
   1.864 +
   1.865 +CREATE FUNCTION ecluster_distance_proc(ecluster, ecluster)
   1.866 +  RETURNS float8
   1.867 +  LANGUAGE C IMMUTABLE STRICT
   1.868 +  AS '$libdir/latlon-v0010', 'pgl_ecluster_distance';
   1.869 +
   1.870 +CREATE FUNCTION fair_distance_operator_proc(ecluster, epoint_with_sample_count)
   1.871 +  RETURNS float8
   1.872 +  LANGUAGE C IMMUTABLE STRICT
   1.873 +  AS '$libdir/latlon-v0010', 'pgl_ecluster_epoint_sc_fair_distance';
   1.874 +
   1.875 +CREATE OPERATOR && (
   1.876 +  leftarg = epoint,
   1.877 +  rightarg = ebox,
   1.878 +  procedure = epoint_ebox_overlap_proc,
   1.879 +  commutator = &&,
   1.880 +  restrict = areasel,
   1.881 +  join = areajoinsel
   1.882 +);
   1.883 +
   1.884 +CREATE FUNCTION epoint_ebox_overlap_commutator(ebox, epoint)
   1.885 +  RETURNS boolean
   1.886 +  LANGUAGE sql IMMUTABLE AS 'SELECT $2 OPERATOR(@extschema@.&&) $1';
   1.887 +
   1.888 +CREATE OPERATOR && (
   1.889 +  leftarg = ebox,
   1.890 +  rightarg = epoint,
   1.891 +  procedure = epoint_ebox_overlap_commutator,
   1.892 +  commutator = &&,
   1.893 +  restrict = areasel,
   1.894 +  join = areajoinsel
   1.895 +);
   1.896 +
   1.897 +CREATE OPERATOR && (
   1.898 +  leftarg = epoint,
   1.899 +  rightarg = ecircle,
   1.900 +  procedure = epoint_ecircle_overlap_proc,
   1.901 +  commutator = &&,
   1.902 +  restrict = areasel,
   1.903 +  join = areajoinsel
   1.904 +);
   1.905 +
   1.906 +CREATE FUNCTION epoint_ecircle_overlap_commutator(ecircle, epoint)
   1.907 +  RETURNS boolean
   1.908 +  LANGUAGE sql IMMUTABLE AS 'SELECT $2 OPERATOR(@extschema@.&&) $1';
   1.909 +
   1.910 +CREATE OPERATOR && (
   1.911 +  leftarg = ecircle,
   1.912 +  rightarg = epoint,
   1.913 +  procedure = epoint_ecircle_overlap_commutator,
   1.914 +  commutator = &&,
   1.915 +  restrict = areasel,
   1.916 +  join = areajoinsel
   1.917 +);
   1.918 +
   1.919 +CREATE OPERATOR && (
   1.920 +  leftarg = epoint,
   1.921 +  rightarg = ecluster,
   1.922 +  procedure = epoint_ecluster_overlap_proc,
   1.923 +  commutator = &&,
   1.924 +  restrict = areasel,
   1.925 +  join = areajoinsel
   1.926 +);
   1.927 +
   1.928 +CREATE FUNCTION epoint_ecluster_overlap_commutator(ecluster, epoint)
   1.929 +  RETURNS boolean
   1.930 +  LANGUAGE sql IMMUTABLE AS 'SELECT $2 OPERATOR(@extschema@.&&) $1';
   1.931 +
   1.932 +CREATE OPERATOR && (
   1.933 +  leftarg = ecluster,
   1.934 +  rightarg = epoint,
   1.935 +  procedure = epoint_ecluster_overlap_commutator,
   1.936 +  commutator = &&,
   1.937 +  restrict = areasel,
   1.938 +  join = areajoinsel
   1.939 +);
   1.940 +
   1.941 +CREATE OPERATOR && (
   1.942 +  leftarg = ebox,
   1.943 +  rightarg = ebox,
   1.944 +  procedure = ebox_overlap_proc,
   1.945 +  commutator = &&,
   1.946 +  restrict = areasel,
   1.947 +  join = areajoinsel
   1.948 +);
   1.949 +
   1.950 +CREATE OPERATOR && (
   1.951 +  leftarg = ecircle,
   1.952 +  rightarg = ecircle,
   1.953 +  procedure = ecircle_overlap_proc,
   1.954 +  commutator = &&,
   1.955 +  restrict = areasel,
   1.956 +  join = areajoinsel
   1.957 +);
   1.958 +
   1.959 +CREATE OPERATOR && (
   1.960 +  leftarg = ecircle,
   1.961 +  rightarg = ecluster,
   1.962 +  procedure = ecircle_ecluster_overlap_proc,
   1.963 +  commutator = &&,
   1.964 +  restrict = areasel,
   1.965 +  join = areajoinsel
   1.966 +);
   1.967 +
   1.968 +CREATE FUNCTION ecircle_ecluster_overlap_commutator(ecluster, ecircle)
   1.969 +  RETURNS boolean
   1.970 +  LANGUAGE sql IMMUTABLE AS 'SELECT $2 OPERATOR(@extschema@.&&) $1';
   1.971 +
   1.972 +CREATE OPERATOR && (
   1.973 +  leftarg = ecluster,
   1.974 +  rightarg = ecircle,
   1.975 +  procedure = ecircle_ecluster_overlap_commutator,
   1.976 +  commutator = &&,
   1.977 +  restrict = areasel,
   1.978 +  join = areajoinsel
   1.979 +);
   1.980 +
   1.981 +CREATE OPERATOR && (
   1.982 +  leftarg = ecluster,
   1.983 +  rightarg = ecluster,
   1.984 +  procedure = ecluster_overlap_proc,
   1.985 +  commutator = &&,
   1.986 +  restrict = areasel,
   1.987 +  join = areajoinsel
   1.988 +);
   1.989 +
   1.990 +CREATE FUNCTION ebox_ecircle_overlap_castwrap(ebox, ecircle)
   1.991 +  RETURNS boolean
   1.992 +  LANGUAGE sql IMMUTABLE
   1.993 +  AS 'SELECT $1::@extschema@.ecluster OPERATOR(@extschema@.&&) $2';
   1.994 +
   1.995 +CREATE OPERATOR && (
   1.996 +  leftarg = ebox,
   1.997 +  rightarg = ecircle,
   1.998 +  procedure = ebox_ecircle_overlap_castwrap,
   1.999 +  commutator = &&,
  1.1000 +  restrict = areasel,
  1.1001 +  join = areajoinsel
  1.1002 +);
  1.1003 +
  1.1004 +CREATE FUNCTION ebox_ecircle_overlap_castwrap(ecircle, ebox)
  1.1005 +  RETURNS boolean
  1.1006 +  LANGUAGE sql IMMUTABLE
  1.1007 +  AS 'SELECT $1 OPERATOR(@extschema@.&&) $2::@extschema@.ecluster';
  1.1008 +
  1.1009 +CREATE OPERATOR && (
  1.1010 +  leftarg = ecircle,
  1.1011 +  rightarg = ebox,
  1.1012 +  procedure = ebox_ecircle_overlap_castwrap,
  1.1013 +  commutator = &&,
  1.1014 +  restrict = areasel,
  1.1015 +  join = areajoinsel
  1.1016 +);
  1.1017 +
  1.1018 +CREATE FUNCTION ebox_ecluster_overlap_castwrap(ebox, ecluster)
  1.1019 +  RETURNS boolean
  1.1020 +  LANGUAGE sql IMMUTABLE
  1.1021 +  AS 'SELECT $1::@extschema@.ecluster OPERATOR(@extschema@.&&) $2';
  1.1022 +
  1.1023 +CREATE OPERATOR && (
  1.1024 +  leftarg = ebox,
  1.1025 +  rightarg = ecluster,
  1.1026 +  procedure = ebox_ecluster_overlap_castwrap,
  1.1027 +  commutator = &&,
  1.1028 +  restrict = areasel,
  1.1029 +  join = areajoinsel
  1.1030 +);
  1.1031 +
  1.1032 +CREATE FUNCTION ebox_ecluster_overlap_castwrap(ecluster, ebox)
  1.1033 +  RETURNS boolean
  1.1034 +  LANGUAGE sql IMMUTABLE
  1.1035 +  AS 'SELECT $1 OPERATOR(@extschema@.&&) $2::@extschema@.ecluster';
  1.1036 +
  1.1037 +CREATE OPERATOR && (
  1.1038 +  leftarg = ecluster,
  1.1039 +  rightarg = ebox,
  1.1040 +  procedure = ebox_ecluster_overlap_castwrap,
  1.1041 +  commutator = &&,
  1.1042 +  restrict = areasel,
  1.1043 +  join = areajoinsel
  1.1044 +);
  1.1045 +
  1.1046 +CREATE OPERATOR &&+ (
  1.1047 +  leftarg = epoint,
  1.1048 +  rightarg = ecluster,
  1.1049 +  procedure = epoint_ecluster_may_overlap_proc,
  1.1050 +  commutator = &&+,
  1.1051 +  restrict = areasel,
  1.1052 +  join = areajoinsel
  1.1053 +);
  1.1054 +
  1.1055 +CREATE FUNCTION epoint_ecluster_may_overlap_commutator(ecluster, epoint)
  1.1056 +  RETURNS boolean
  1.1057 +  LANGUAGE sql IMMUTABLE AS 'SELECT $2 OPERATOR(@extschema@.&&+) $1';
  1.1058 +
  1.1059 +CREATE OPERATOR &&+ (
  1.1060 +  leftarg = ecluster,
  1.1061 +  rightarg = epoint,
  1.1062 +  procedure = epoint_ecluster_may_overlap_commutator,
  1.1063 +  commutator = &&+,
  1.1064 +  restrict = areasel,
  1.1065 +  join = areajoinsel
  1.1066 +);
  1.1067 +
  1.1068 +CREATE OPERATOR &&+ (
  1.1069 +  leftarg = ebox,
  1.1070 +  rightarg = ecircle,
  1.1071 +  procedure = ebox_ecircle_may_overlap_proc,
  1.1072 +  commutator = &&+,
  1.1073 +  restrict = areasel,
  1.1074 +  join = areajoinsel
  1.1075 +);
  1.1076 +
  1.1077 +CREATE FUNCTION ebox_ecircle_may_overlap_commutator(ecircle, ebox)
  1.1078 +  RETURNS boolean
  1.1079 +  LANGUAGE sql IMMUTABLE AS 'SELECT $2 OPERATOR(@extschema@.&&+) $1';
  1.1080 +
  1.1081 +CREATE OPERATOR &&+ (
  1.1082 +  leftarg = ecircle,
  1.1083 +  rightarg = ebox,
  1.1084 +  procedure = ebox_ecircle_may_overlap_commutator,
  1.1085 +  commutator = &&+,
  1.1086 +  restrict = areasel,
  1.1087 +  join = areajoinsel
  1.1088 +);
  1.1089 +
  1.1090 +CREATE OPERATOR &&+ (
  1.1091 +  leftarg = ebox,
  1.1092 +  rightarg = ecluster,
  1.1093 +  procedure = ebox_ecluster_may_overlap_proc,
  1.1094 +  commutator = &&+,
  1.1095 +  restrict = areasel,
  1.1096 +  join = areajoinsel
  1.1097 +);
  1.1098 +
  1.1099 +CREATE FUNCTION ebox_ecluster_may_overlap_commutator(ecluster, ebox)
  1.1100 +  RETURNS boolean
  1.1101 +  LANGUAGE sql IMMUTABLE AS 'SELECT $2 OPERATOR(@extschema@.&&+) $1';
  1.1102 +
  1.1103 +CREATE OPERATOR &&+ (
  1.1104 +  leftarg = ecluster,
  1.1105 +  rightarg = ebox,
  1.1106 +  procedure = ebox_ecluster_may_overlap_commutator,
  1.1107 +  commutator = &&+,
  1.1108 +  restrict = areasel,
  1.1109 +  join = areajoinsel
  1.1110 +);
  1.1111 +
  1.1112 +CREATE OPERATOR &&+ (
  1.1113 +  leftarg = ecircle,
  1.1114 +  rightarg = ecluster,
  1.1115 +  procedure = ecircle_ecluster_may_overlap_proc,
  1.1116 +  commutator = &&+,
  1.1117 +  restrict = areasel,
  1.1118 +  join = areajoinsel
  1.1119 +);
  1.1120 +
  1.1121 +CREATE FUNCTION ecircle_ecluster_may_overlap_commutator(ecluster, ecircle)
  1.1122 +  RETURNS boolean
  1.1123 +  LANGUAGE sql IMMUTABLE AS 'SELECT $2 OPERATOR(@extschema@.&&+) $1';
  1.1124 +
  1.1125 +CREATE OPERATOR &&+ (
  1.1126 +  leftarg = ecluster,
  1.1127 +  rightarg = ecircle,
  1.1128 +  procedure = ecircle_ecluster_may_overlap_commutator,
  1.1129 +  commutator = &&+,
  1.1130 +  restrict = areasel,
  1.1131 +  join = areajoinsel
  1.1132 +);
  1.1133 +
  1.1134 +CREATE OPERATOR &&+ (
  1.1135 +  leftarg = ecluster,
  1.1136 +  rightarg = ecluster,
  1.1137 +  procedure = ecluster_may_overlap_proc,
  1.1138 +  commutator = &&+,
  1.1139 +  restrict = areasel,
  1.1140 +  join = areajoinsel
  1.1141 +);
  1.1142 +
  1.1143 +CREATE OPERATOR @> (
  1.1144 +  leftarg = ebox,
  1.1145 +  rightarg = epoint,
  1.1146 +  procedure = epoint_ebox_overlap_commutator,
  1.1147 +  commutator = <@,
  1.1148 +  restrict = areasel,
  1.1149 +  join = areajoinsel
  1.1150 +);
  1.1151 +
  1.1152 +CREATE OPERATOR <@ (
  1.1153 +  leftarg = epoint,
  1.1154 +  rightarg = ebox,
  1.1155 +  procedure = epoint_ebox_overlap_proc,
  1.1156 +  commutator = @>,
  1.1157 +  restrict = areasel,
  1.1158 +  join = areajoinsel
  1.1159 +);
  1.1160 +
  1.1161 +CREATE OPERATOR @> (
  1.1162 +  leftarg = ecluster,
  1.1163 +  rightarg = epoint,
  1.1164 +  procedure = epoint_ecluster_overlap_commutator,
  1.1165 +  commutator = <@,
  1.1166 +  restrict = areasel,
  1.1167 +  join = areajoinsel
  1.1168 +);
  1.1169 +
  1.1170 +CREATE OPERATOR <@ (
  1.1171 +  leftarg = epoint,
  1.1172 +  rightarg = ecluster,
  1.1173 +  procedure = epoint_ecluster_overlap_proc,
  1.1174 +  commutator = @>,
  1.1175 +  restrict = areasel,
  1.1176 +  join = areajoinsel
  1.1177 +);
  1.1178 +
  1.1179 +CREATE OPERATOR @> (
  1.1180 +  leftarg = ecluster,
  1.1181 +  rightarg = ecluster,
  1.1182 +  procedure = ecluster_contains_proc,
  1.1183 +  commutator = <@,
  1.1184 +  restrict = areasel,
  1.1185 +  join = areajoinsel
  1.1186 +);
  1.1187 +
  1.1188 +CREATE FUNCTION ecluster_contains_commutator(ecluster, ecluster)
  1.1189 +  RETURNS boolean
  1.1190 +  LANGUAGE sql IMMUTABLE AS 'SELECT $2 OPERATOR(@extschema@.@>) $1';
  1.1191 +
  1.1192 +CREATE OPERATOR <@ (
  1.1193 +  leftarg = ecluster,
  1.1194 +  rightarg = ecluster,
  1.1195 +  procedure = ecluster_contains_commutator,
  1.1196 +  commutator = @>,
  1.1197 +  restrict = areasel,
  1.1198 +  join = areajoinsel
  1.1199 +);
  1.1200 +
  1.1201 +CREATE FUNCTION ebox_contains_castwrap(ebox, ebox)
  1.1202 +  RETURNS boolean
  1.1203 +  LANGUAGE sql IMMUTABLE AS $$
  1.1204 +    SELECT
  1.1205 +    $1::@extschema@.ecluster OPERATOR(@extschema@.@>) $2::@extschema@.ecluster
  1.1206 +  $$;
  1.1207 +
  1.1208 +CREATE OPERATOR @> (
  1.1209 +  leftarg = ebox,
  1.1210 +  rightarg = ebox,
  1.1211 +  procedure = ebox_contains_castwrap,
  1.1212 +  commutator = <@,
  1.1213 +  restrict = areasel,
  1.1214 +  join = areajoinsel
  1.1215 +);
  1.1216 +
  1.1217 +CREATE FUNCTION ebox_contains_swapped_castwrap(ebox, ebox)
  1.1218 +  RETURNS boolean
  1.1219 +  LANGUAGE sql IMMUTABLE AS $$
  1.1220 +    SELECT
  1.1221 +    $2::@extschema@.ecluster OPERATOR(@extschema@.@>) $1::@extschema@.ecluster
  1.1222 +  $$;
  1.1223 +
  1.1224 +CREATE OPERATOR <@ (
  1.1225 +  leftarg = ebox,
  1.1226 +  rightarg = ebox,
  1.1227 +  procedure = ebox_contains_swapped_castwrap,
  1.1228 +  commutator = @>,
  1.1229 +  restrict = areasel,
  1.1230 +  join = areajoinsel
  1.1231 +);
  1.1232 +
  1.1233 +CREATE FUNCTION ebox_ecluster_contains_castwrap(ebox, ecluster)
  1.1234 +  RETURNS boolean
  1.1235 +  LANGUAGE sql IMMUTABLE
  1.1236 +  AS 'SELECT $1::@extschema@.ecluster OPERATOR(@extschema@.@>) $2';
  1.1237 +
  1.1238 +CREATE OPERATOR @> (
  1.1239 +  leftarg = ebox,
  1.1240 +  rightarg = ecluster,
  1.1241 +  procedure = ebox_ecluster_contains_castwrap,
  1.1242 +  commutator = <@,
  1.1243 +  restrict = areasel,
  1.1244 +  join = areajoinsel
  1.1245 +);
  1.1246 +
  1.1247 +CREATE FUNCTION ebox_ecluster_contains_castwrap(ecluster, ebox)
  1.1248 +  RETURNS boolean
  1.1249 +  LANGUAGE sql IMMUTABLE
  1.1250 +  AS 'SELECT $2::@extschema@.ecluster OPERATOR(@extschema@.@>) $1';
  1.1251 +
  1.1252 +CREATE OPERATOR <@ (
  1.1253 +  leftarg = ecluster,
  1.1254 +  rightarg = ebox,
  1.1255 +  procedure = ebox_ecluster_contains_castwrap,
  1.1256 +  commutator = @>,
  1.1257 +  restrict = areasel,
  1.1258 +  join = areajoinsel
  1.1259 +);
  1.1260 +
  1.1261 +CREATE FUNCTION ecluster_ebox_contains_castwrap(ecluster, ebox)
  1.1262 +  RETURNS boolean
  1.1263 +  LANGUAGE sql IMMUTABLE
  1.1264 +  AS 'SELECT $1 OPERATOR(@extschema@.@>) $2::@extschema@.ecluster';
  1.1265 +
  1.1266 +CREATE OPERATOR @> (
  1.1267 +  leftarg = ecluster,
  1.1268 +  rightarg = ebox,
  1.1269 +  procedure = ecluster_ebox_contains_castwrap,
  1.1270 +  commutator = <@,
  1.1271 +  restrict = areasel,
  1.1272 +  join = areajoinsel
  1.1273 +);
  1.1274 +
  1.1275 +CREATE FUNCTION ecluster_ebox_contains_castwrap(ebox, ecluster)
  1.1276 +  RETURNS boolean
  1.1277 +  LANGUAGE sql IMMUTABLE
  1.1278 +  AS 'SELECT $2 OPERATOR(@extschema@.@>) $1::@extschema@.ecluster';
  1.1279 +
  1.1280 +CREATE OPERATOR <@ (
  1.1281 +  leftarg = ebox,
  1.1282 +  rightarg = ecluster,
  1.1283 +  procedure = ecluster_ebox_contains_castwrap,
  1.1284 +  commutator = @>,
  1.1285 +  restrict = areasel,
  1.1286 +  join = areajoinsel
  1.1287 +);
  1.1288 +
  1.1289 +CREATE OPERATOR <-> (
  1.1290 +  leftarg = epoint,
  1.1291 +  rightarg = epoint,
  1.1292 +  procedure = epoint_distance_proc,
  1.1293 +  commutator = <->
  1.1294 +);
  1.1295 +
  1.1296 +CREATE OPERATOR <-> (
  1.1297 +  leftarg = epoint,
  1.1298 +  rightarg = ecircle,
  1.1299 +  procedure = epoint_ecircle_distance_proc,
  1.1300 +  commutator = <->
  1.1301 +);
  1.1302 +
  1.1303 +CREATE FUNCTION epoint_ecircle_distance_commutator(ecircle, epoint)
  1.1304 +  RETURNS float8
  1.1305 +  LANGUAGE sql IMMUTABLE AS 'SELECT $2 OPERATOR(@extschema@.<->) $1';
  1.1306 +
  1.1307 +CREATE OPERATOR <-> (
  1.1308 +  leftarg = ecircle,
  1.1309 +  rightarg = epoint,
  1.1310 +  procedure = epoint_ecircle_distance_commutator,
  1.1311 +  commutator = <->
  1.1312 +);
  1.1313 +
  1.1314 +CREATE OPERATOR <-> (
  1.1315 +  leftarg = epoint,
  1.1316 +  rightarg = ecluster,
  1.1317 +  procedure = epoint_ecluster_distance_proc,
  1.1318 +  commutator = <->
  1.1319 +);
  1.1320 +
  1.1321 +CREATE FUNCTION epoint_ecluster_distance_commutator(ecluster, epoint)
  1.1322 +  RETURNS float8
  1.1323 +  LANGUAGE sql IMMUTABLE AS 'SELECT $2 OPERATOR(@extschema@.<->) $1';
  1.1324 +
  1.1325 +CREATE OPERATOR <-> (
  1.1326 +  leftarg = ecluster,
  1.1327 +  rightarg = epoint,
  1.1328 +  procedure = epoint_ecluster_distance_commutator,
  1.1329 +  commutator = <->
  1.1330 +);
  1.1331 +
  1.1332 +CREATE OPERATOR <-> (
  1.1333 +  leftarg = ecircle,
  1.1334 +  rightarg = ecircle,
  1.1335 +  procedure = ecircle_distance_proc,
  1.1336 +  commutator = <->
  1.1337 +);
  1.1338 +
  1.1339 +CREATE OPERATOR <-> (
  1.1340 +  leftarg = ecircle,
  1.1341 +  rightarg = ecluster,
  1.1342 +  procedure = ecircle_ecluster_distance_proc,
  1.1343 +  commutator = <->
  1.1344 +);
  1.1345 +
  1.1346 +CREATE FUNCTION ecircle_ecluster_distance_commutator(ecluster, ecircle)
  1.1347 +  RETURNS float8
  1.1348 +  LANGUAGE sql IMMUTABLE AS 'SELECT $2 OPERATOR(@extschema@.<->) $1';
  1.1349 +
  1.1350 +CREATE OPERATOR <-> (
  1.1351 +  leftarg = ecluster,
  1.1352 +  rightarg = ecircle,
  1.1353 +  procedure = ecircle_ecluster_distance_commutator,
  1.1354 +  commutator = <->
  1.1355 +);
  1.1356 +
  1.1357 +CREATE OPERATOR <-> (
  1.1358 +  leftarg = ecluster,
  1.1359 +  rightarg = ecluster,
  1.1360 +  procedure = ecluster_distance_proc,
  1.1361 +  commutator = <->
  1.1362 +);
  1.1363 +
  1.1364 +CREATE FUNCTION epoint_ebox_distance_castwrap(epoint, ebox)
  1.1365 +  RETURNS float8
  1.1366 +  LANGUAGE sql IMMUTABLE
  1.1367 +  AS 'SELECT $1 OPERATOR(@extschema@.<->) $2::@extschema@.ecluster';
  1.1368 +
  1.1369 +CREATE OPERATOR <-> (
  1.1370 +  leftarg = epoint,
  1.1371 +  rightarg = ebox,
  1.1372 +  procedure = epoint_ebox_distance_castwrap,
  1.1373 +  commutator = <->
  1.1374 +);
  1.1375 +
  1.1376 +CREATE FUNCTION epoint_ebox_distance_castwrap(ebox, epoint)
  1.1377 +  RETURNS float8
  1.1378 +  LANGUAGE sql IMMUTABLE
  1.1379 +  AS 'SELECT $1::@extschema@.ecluster OPERATOR(@extschema@.<->) $2';
  1.1380 +
  1.1381 +CREATE OPERATOR <-> (
  1.1382 +  leftarg = ebox,
  1.1383 +  rightarg = epoint,
  1.1384 +  procedure = epoint_ebox_distance_castwrap,
  1.1385 +  commutator = <->
  1.1386 +);
  1.1387 +
  1.1388 +CREATE FUNCTION ebox_distance_castwrap(ebox, ebox)
  1.1389 +  RETURNS float8
  1.1390 +  LANGUAGE sql IMMUTABLE AS $$
  1.1391 +    SELECT
  1.1392 +    $1::@extschema@.ecluster OPERATOR(@extschema@.<->) $2::@extschema@.ecluster
  1.1393 +  $$;
  1.1394 +
  1.1395 +CREATE OPERATOR <-> (
  1.1396 +  leftarg = ebox,
  1.1397 +  rightarg = ebox,
  1.1398 +  procedure = ebox_distance_castwrap,
  1.1399 +  commutator = <->
  1.1400 +);
  1.1401 +
  1.1402 +CREATE FUNCTION ebox_ecircle_distance_castwrap(ebox, ecircle)
  1.1403 +  RETURNS float8
  1.1404 +  LANGUAGE sql IMMUTABLE
  1.1405 +  AS 'SELECT $1::@extschema@.ecluster OPERATOR(@extschema@.<->) $2';
  1.1406 +
  1.1407 +CREATE OPERATOR <-> (
  1.1408 +  leftarg = ebox,
  1.1409 +  rightarg = ecircle,
  1.1410 +  procedure = ebox_ecircle_distance_castwrap,
  1.1411 +  commutator = <->
  1.1412 +);
  1.1413 +
  1.1414 +CREATE FUNCTION ebox_ecircle_distance_castwrap(ecircle, ebox)
  1.1415 +  RETURNS float8
  1.1416 +  LANGUAGE sql IMMUTABLE
  1.1417 +  AS 'SELECT $1 OPERATOR(@extschema@.<->) $2::@extschema@.ecluster';
  1.1418 +
  1.1419 +CREATE OPERATOR <-> (
  1.1420 +  leftarg = ecircle,
  1.1421 +  rightarg = ebox,
  1.1422 +  procedure = ebox_ecircle_distance_castwrap,
  1.1423 +  commutator = <->
  1.1424 +);
  1.1425 +
  1.1426 +CREATE FUNCTION ebox_ecluster_distance_castwrap(ebox, ecluster)
  1.1427 +  RETURNS float8
  1.1428 +  LANGUAGE sql IMMUTABLE
  1.1429 +  AS 'SELECT $1::@extschema@.ecluster OPERATOR(@extschema@.<->) $2';
  1.1430 +
  1.1431 +CREATE OPERATOR <-> (
  1.1432 +  leftarg = ebox,
  1.1433 +  rightarg = ecluster,
  1.1434 +  procedure = ebox_ecluster_distance_castwrap,
  1.1435 +  commutator = <->
  1.1436 +);
  1.1437 +
  1.1438 +CREATE FUNCTION ebox_ecluster_distance_castwrap(ecluster, ebox)
  1.1439 +  RETURNS float8
  1.1440 +  LANGUAGE sql IMMUTABLE
  1.1441 +  AS 'SELECT $1 OPERATOR(@extschema@.<->) $2::@extschema@.ecluster';
  1.1442 +
  1.1443 +CREATE OPERATOR <-> (
  1.1444 +  leftarg = ecluster,
  1.1445 +  rightarg = ebox,
  1.1446 +  procedure = ebox_ecluster_distance_castwrap,
  1.1447 +  commutator = <->
  1.1448 +);
  1.1449 +
  1.1450 +CREATE OPERATOR <=> (
  1.1451 +  leftarg = ecluster,
  1.1452 +  rightarg = epoint_with_sample_count,
  1.1453 +  procedure = fair_distance_operator_proc
  1.1454 +);
  1.1455 +
  1.1456 +
  1.1457 +----------------
  1.1458 +-- GiST index --
  1.1459 +----------------
  1.1460 +
  1.1461 +CREATE FUNCTION pgl_gist_consistent(internal, internal, smallint, oid, internal)
  1.1462 +  RETURNS boolean
  1.1463 +  LANGUAGE C STRICT
  1.1464 +  AS '$libdir/latlon-v0010', 'pgl_gist_consistent';
  1.1465 +
  1.1466 +CREATE FUNCTION pgl_gist_union(internal, internal)
  1.1467 +  RETURNS internal
  1.1468 +  LANGUAGE C STRICT
  1.1469 +  AS '$libdir/latlon-v0010', 'pgl_gist_union';
  1.1470 +
  1.1471 +CREATE FUNCTION pgl_gist_compress_epoint(internal)
  1.1472 +  RETURNS internal
  1.1473 +  LANGUAGE C STRICT
  1.1474 +  AS '$libdir/latlon-v0010', 'pgl_gist_compress_epoint';
  1.1475 +
  1.1476 +CREATE FUNCTION pgl_gist_compress_ecircle(internal)
  1.1477 +  RETURNS internal
  1.1478 +  LANGUAGE C STRICT
  1.1479 +  AS '$libdir/latlon-v0010', 'pgl_gist_compress_ecircle';
  1.1480 +
  1.1481 +CREATE FUNCTION pgl_gist_compress_ecluster(internal)
  1.1482 +  RETURNS internal
  1.1483 +  LANGUAGE C STRICT
  1.1484 +  AS '$libdir/latlon-v0010', 'pgl_gist_compress_ecluster';
  1.1485 +
  1.1486 +CREATE FUNCTION pgl_gist_decompress(internal)
  1.1487 +  RETURNS internal
  1.1488 +  LANGUAGE C STRICT
  1.1489 +  AS '$libdir/latlon-v0010', 'pgl_gist_decompress';
  1.1490 +
  1.1491 +CREATE FUNCTION pgl_gist_penalty(internal, internal, internal)
  1.1492 +  RETURNS internal
  1.1493 +  LANGUAGE C STRICT
  1.1494 +  AS '$libdir/latlon-v0010', 'pgl_gist_penalty';
  1.1495 +
  1.1496 +CREATE FUNCTION pgl_gist_picksplit(internal, internal)
  1.1497 +  RETURNS internal
  1.1498 +  LANGUAGE C STRICT
  1.1499 +  AS '$libdir/latlon-v0010', 'pgl_gist_picksplit';
  1.1500 +
  1.1501 +CREATE FUNCTION pgl_gist_same(internal, internal, internal)
  1.1502 +  RETURNS internal
  1.1503 +  LANGUAGE C STRICT
  1.1504 +  AS '$libdir/latlon-v0010', 'pgl_gist_same';
  1.1505 +
  1.1506 +CREATE FUNCTION pgl_gist_distance(internal, internal, smallint, oid)
  1.1507 +  RETURNS internal
  1.1508 +  LANGUAGE C STRICT
  1.1509 +  AS '$libdir/latlon-v0010', 'pgl_gist_distance';
  1.1510 +
  1.1511 +CREATE OPERATOR CLASS epoint_ops
  1.1512 +  DEFAULT FOR TYPE epoint USING gist AS
  1.1513 +  OPERATOR  11 = ,
  1.1514 +  OPERATOR  22 &&  (epoint, ebox),
  1.1515 +  OPERATOR 222 <@  (epoint, ebox),
  1.1516 +  OPERATOR  23 &&  (epoint, ecircle),
  1.1517 +  OPERATOR  24 &&  (epoint, ecluster),
  1.1518 +  OPERATOR 124 &&+ (epoint, ecluster),
  1.1519 +  OPERATOR 224 <@  (epoint, ecluster),
  1.1520 +  OPERATOR  31 <-> (epoint, epoint) FOR ORDER BY float_ops,
  1.1521 +  OPERATOR  32 <-> (epoint, ebox) FOR ORDER BY float_ops,
  1.1522 +  OPERATOR  33 <-> (epoint, ecircle) FOR ORDER BY float_ops,
  1.1523 +  OPERATOR  34 <-> (epoint, ecluster) FOR ORDER BY float_ops,
  1.1524 +  FUNCTION 1 pgl_gist_consistent(internal, internal, smallint, oid, internal),
  1.1525 +  FUNCTION 2 pgl_gist_union(internal, internal),
  1.1526 +  FUNCTION 3 pgl_gist_compress_epoint(internal),
  1.1527 +  FUNCTION 4 pgl_gist_decompress(internal),
  1.1528 +  FUNCTION 5 pgl_gist_penalty(internal, internal, internal),
  1.1529 +  FUNCTION 6 pgl_gist_picksplit(internal, internal),
  1.1530 +  FUNCTION 7 pgl_gist_same(internal, internal, internal),
  1.1531 +  FUNCTION 8 pgl_gist_distance(internal, internal, smallint, oid),
  1.1532 +  STORAGE ekey_point;
  1.1533 +
  1.1534 +CREATE OPERATOR CLASS ecircle_ops
  1.1535 +  DEFAULT FOR TYPE ecircle USING gist AS
  1.1536 +  OPERATOR  13 = ,
  1.1537 +  OPERATOR  21 &&  (ecircle, epoint),
  1.1538 +  OPERATOR  22 &&  (ecircle, ebox),
  1.1539 +  OPERATOR 122 &&+ (ecircle, ebox),
  1.1540 +  OPERATOR  23 &&  (ecircle, ecircle),
  1.1541 +  OPERATOR  24 &&  (ecircle, ecluster),
  1.1542 +  OPERATOR 124 &&+ (ecircle, ecluster),
  1.1543 +  OPERATOR  31 <-> (ecircle, epoint) FOR ORDER BY float_ops,
  1.1544 +  OPERATOR  32 <-> (ecircle, ebox) FOR ORDER BY float_ops,
  1.1545 +  OPERATOR  33 <-> (ecircle, ecircle) FOR ORDER BY float_ops,
  1.1546 +  OPERATOR  34 <-> (ecircle, ecluster) FOR ORDER BY float_ops,
  1.1547 +  FUNCTION 1 pgl_gist_consistent(internal, internal, smallint, oid, internal),
  1.1548 +  FUNCTION 2 pgl_gist_union(internal, internal),
  1.1549 +  FUNCTION 3 pgl_gist_compress_ecircle(internal),
  1.1550 +  FUNCTION 4 pgl_gist_decompress(internal),
  1.1551 +  FUNCTION 5 pgl_gist_penalty(internal, internal, internal),
  1.1552 +  FUNCTION 6 pgl_gist_picksplit(internal, internal),
  1.1553 +  FUNCTION 7 pgl_gist_same(internal, internal, internal),
  1.1554 +  FUNCTION 8 pgl_gist_distance(internal, internal, smallint, oid),
  1.1555 +  STORAGE ekey_area;
  1.1556 +
  1.1557 +CREATE OPERATOR CLASS ecluster_ops
  1.1558 +  DEFAULT FOR TYPE ecluster USING gist AS
  1.1559 +  OPERATOR  21 &&  (ecluster, epoint),
  1.1560 +  OPERATOR 121 &&+ (ecluster, epoint),
  1.1561 +  OPERATOR 221 @>  (ecluster, epoint),
  1.1562 +  OPERATOR  22 &&  (ecluster, ebox),
  1.1563 +  OPERATOR 122 &&+ (ecluster, ebox),
  1.1564 +  OPERATOR 222 @>  (ecluster, ebox),
  1.1565 +  OPERATOR 322 <@  (ecluster, ebox),
  1.1566 +  OPERATOR  23 &&  (ecluster, ecircle),
  1.1567 +  OPERATOR 123 &&+ (ecluster, ecircle),
  1.1568 +  OPERATOR  24 &&  (ecluster, ecluster),
  1.1569 +  OPERATOR 124 &&+ (ecluster, ecluster),
  1.1570 +  OPERATOR 224 @>  (ecluster, ecluster),
  1.1571 +  OPERATOR 324 <@  (ecluster, ecluster),
  1.1572 +  OPERATOR  31 <-> (ecluster, epoint) FOR ORDER BY float_ops,
  1.1573 +  OPERATOR  32 <-> (ecluster, ebox) FOR ORDER BY float_ops,
  1.1574 +  OPERATOR  33 <-> (ecluster, ecircle) FOR ORDER BY float_ops,
  1.1575 +  OPERATOR  34 <-> (ecluster, ecluster) FOR ORDER BY float_ops,
  1.1576 +  OPERATOR 131 <=> (ecluster, epoint_with_sample_count) FOR ORDER BY float_ops,
  1.1577 +  FUNCTION 1 pgl_gist_consistent(internal, internal, smallint, oid, internal),
  1.1578 +  FUNCTION 2 pgl_gist_union(internal, internal),
  1.1579 +  FUNCTION 3 pgl_gist_compress_ecluster(internal),
  1.1580 +  FUNCTION 4 pgl_gist_decompress(internal),
  1.1581 +  FUNCTION 5 pgl_gist_penalty(internal, internal, internal),
  1.1582 +  FUNCTION 6 pgl_gist_picksplit(internal, internal),
  1.1583 +  FUNCTION 7 pgl_gist_same(internal, internal, internal),
  1.1584 +  FUNCTION 8 pgl_gist_distance(internal, internal, smallint, oid),
  1.1585 +  STORAGE ekey_area;
  1.1586 +
  1.1587 +
  1.1588 +---------------------
  1.1589 +-- alias functions --
  1.1590 +---------------------
  1.1591 +
  1.1592 +CREATE FUNCTION distance(epoint, epoint)
  1.1593 +  RETURNS float8
  1.1594 +  LANGUAGE sql IMMUTABLE AS 'SELECT $1 OPERATOR(@extschema@.<->) $2';
  1.1595 +
  1.1596 +CREATE FUNCTION distance(ecluster, epoint)
  1.1597 +  RETURNS float8
  1.1598 +  LANGUAGE sql IMMUTABLE AS 'SELECT $1 OPERATOR(@extschema@.<->) $2';
  1.1599 +
  1.1600 +CREATE FUNCTION distance_within(epoint, epoint, float8)
  1.1601 +  RETURNS boolean
  1.1602 +  LANGUAGE sql IMMUTABLE
  1.1603 +  AS 'SELECT $1 OPERATOR(@extschema@.&&) @extschema@.ecircle($2, $3)';
  1.1604 +
  1.1605 +CREATE FUNCTION distance_within(ecluster, epoint, float8)
  1.1606 +  RETURNS boolean
  1.1607 +  LANGUAGE sql IMMUTABLE
  1.1608 +  AS 'SELECT $1 OPERATOR(@extschema@.&&) @extschema@.ecircle($2, $3)';
  1.1609 +
  1.1610 +CREATE FUNCTION fair_distance(ecluster, epoint, int4 = 10000)
  1.1611 +  RETURNS float8
  1.1612 +  LANGUAGE sql IMMUTABLE AS $$
  1.1613 +    SELECT
  1.1614 +    $1 OPERATOR(@extschema@.<=>) @extschema@.epoint_with_sample_count($2, $3)
  1.1615 +  $$;
  1.1616 +
  1.1617 +
  1.1618 +--------------------------------
  1.1619 +-- other data storage formats --
  1.1620 +--------------------------------
  1.1621 +
  1.1622 +CREATE FUNCTION coords_to_epoint(float8, float8, text = 'epoint')
  1.1623 +  RETURNS epoint
  1.1624 +  LANGUAGE plpgsql IMMUTABLE STRICT AS $$
  1.1625 +    DECLARE
  1.1626 +      "result" @extschema@.epoint;
  1.1627 +    BEGIN
  1.1628 +      IF $3 OPERATOR(pg_catalog.=) 'epoint_lonlat' THEN
  1.1629 +        -- avoid dynamic command execution for better performance
  1.1630 +        RETURN @extschema@.epoint($2, $1);
  1.1631 +      END IF;
  1.1632 +      IF
  1.1633 +        $3 OPERATOR(pg_catalog.=) 'epoint' OR
  1.1634 +        $3 OPERATOR(pg_catalog.=) 'epoint_latlon'
  1.1635 +      THEN
  1.1636 +        -- avoid dynamic command execution for better performance
  1.1637 +        RETURN @extschema@.epoint($1, $2);
  1.1638 +      END IF;
  1.1639 +      EXECUTE
  1.1640 +        'SELECT ' OPERATOR(pg_catalog.||) $3 OPERATOR(pg_catalog.||) '($1, $2)'         INTO STRICT "result" USING $1, $2;
  1.1641 +      RETURN "result";
  1.1642 +    END;
  1.1643 +  $$;
  1.1644 +
  1.1645 +CREATE FUNCTION GeoJSON_LinearRing_vertices(jsonb, text = 'epoint_lonlat')
  1.1646 +  RETURNS SETOF jsonb
  1.1647 +  LANGUAGE sql IMMUTABLE STRICT AS $$
  1.1648 +    SELECT "result" FROM
  1.1649 +      ( SELECT pg_catalog.jsonb_array_length($1) - 1 )
  1.1650 +      AS "lastindex_row" ("lastindex")
  1.1651 +      CROSS JOIN LATERAL pg_catalog.jsonb_array_elements(
  1.1652 +        CASE WHEN
  1.1653 +          @extschema@.coords_to_epoint(
  1.1654 +            ($1 OPERATOR(pg_catalog.->) 0 OPERATOR(pg_catalog.->>) 0)
  1.1655 +            ::pg_catalog.float8,
  1.1656 +            ($1 OPERATOR(pg_catalog.->) 0 OPERATOR(pg_catalog.->>) 1)
  1.1657 +            ::pg_catalog.float8,
  1.1658 +            $2
  1.1659 +          ) OPERATOR(pg_catalog.=) @extschema@.coords_to_epoint(
  1.1660 +            ($1 OPERATOR(pg_catalog.->) "lastindex" OPERATOR(pg_catalog.->>) 0)
  1.1661 +            ::pg_catalog.float8,
  1.1662 +            ($1 OPERATOR(pg_catalog.->) "lastindex" OPERATOR(pg_catalog.->>) 1)
  1.1663 +            ::pg_catalog.float8,
  1.1664 +            $2
  1.1665 +          )
  1.1666 +        THEN
  1.1667 +          $1 - "lastindex"
  1.1668 +        ELSE
  1.1669 +          $1
  1.1670 +        END
  1.1671 +      ) AS "result_row" ("result")
  1.1672 +  $$;
  1.1673 +
  1.1674 +CREATE FUNCTION GeoJSON_to_epoint(jsonb, text = 'epoint_lonlat')
  1.1675 +  RETURNS epoint
  1.1676 +  LANGUAGE sql IMMUTABLE STRICT AS $$
  1.1677 +    SELECT CASE
  1.1678 +    WHEN $1 OPERATOR(pg_catalog.->>) 'type' OPERATOR(pg_catalog.=) 'Point' THEN
  1.1679 +      @extschema@.coords_to_epoint(
  1.1680 +        ($1 OPERATOR(pg_catalog.->) 'coordinates' OPERATOR(pg_catalog.->>) 0)
  1.1681 +        ::pg_catalog.float8,
  1.1682 +        ($1 OPERATOR(pg_catalog.->) 'coordinates' OPERATOR(pg_catalog.->>) 1)
  1.1683 +        ::pg_catalog.float8,
  1.1684 +        $2
  1.1685 +      )
  1.1686 +    WHEN $1->>'type' = 'Feature' THEN
  1.1687 +      @extschema@.GeoJSON_to_epoint($1 OPERATOR(pg_catalog.->) 'geometry', $2)
  1.1688 +    ELSE
  1.1689 +      NULL
  1.1690 +    END
  1.1691 +  $$;
  1.1692 +
  1.1693 +CREATE FUNCTION GeoJSON_to_ecluster(jsonb, text = 'epoint_lonlat')
  1.1694 +  RETURNS ecluster
  1.1695 +  LANGUAGE plpgsql IMMUTABLE STRICT AS $$
  1.1696 +    DECLARE
  1.1697 +      "tp" TEXT = $1 OPERATOR(pg_catalog.->>) 'type';
  1.1698 +    BEGIN
  1.1699 +      IF "tp" = 'Point' THEN RETURN
  1.1700 +        @extschema@.coords_to_epoint(
  1.1701 +          ($1 OPERATOR(pg_catalog.->) 'coordinates' OPERATOR(pg_catalog.->>) 0)
  1.1702 +          ::pg_catalog.float8,
  1.1703 +          ($1 OPERATOR(pg_catalog.->) 'coordinates' OPERATOR(pg_catalog.->>) 1)
  1.1704 +          ::pg_catalog.float8,
  1.1705 +          $2
  1.1706 +        )::@extschema@.ecluster;
  1.1707 +      END IF;
  1.1708 +      raise notice 'DEBUG2';
  1.1709 +      IF "tp" = 'MultiPoint' THEN RETURN
  1.1710 +        ( SELECT @extschema@.ecluster_create_multipoint(pg_catalog.array_agg(
  1.1711 +            @extschema@.coords_to_epoint(
  1.1712 +              ("coord" OPERATOR(pg_catalog.->>) 0)::pg_catalog.float8,
  1.1713 +              ("coord" OPERATOR(pg_catalog.->>) 1)::pg_catalog.float8,
  1.1714 +              $2
  1.1715 +            )
  1.1716 +          ))
  1.1717 +          FROM pg_catalog.jsonb_array_elements(
  1.1718 +            $1 OPERATOR(pg_catalog.->) 'coordinates'
  1.1719 +          ) AS "coord"
  1.1720 +        );
  1.1721 +      END IF;
  1.1722 +      IF "tp" = 'LineString' THEN RETURN
  1.1723 +        ( SELECT @extschema@.ecluster_create_path(pg_catalog.array_agg(
  1.1724 +            @extschema@.coords_to_epoint(
  1.1725 +              ("coord" OPERATOR(pg_catalog.->>) 0)::pg_catalog.float8,
  1.1726 +              ("coord" OPERATOR(pg_catalog.->>) 1)::pg_catalog.float8,
  1.1727 +              $2
  1.1728 +            )
  1.1729 +          ))
  1.1730 +          FROM pg_catalog.jsonb_array_elements(
  1.1731 +            $1 OPERATOR(pg_catalog.->) 'coordinates'
  1.1732 +          ) AS "coord"
  1.1733 +        );
  1.1734 +      END IF;
  1.1735 +      IF "tp" = 'MultiLineString' THEN RETURN
  1.1736 +        ( SELECT @extschema@.ecluster_concat(pg_catalog.array_agg(
  1.1737 +            ( SELECT @extschema@.ecluster_create_path(pg_catalog.array_agg(
  1.1738 +                @extschema@.coords_to_epoint(
  1.1739 +                  ("coord" OPERATOR(pg_catalog.->>) 0)::pg_catalog.float8,
  1.1740 +                  ("coord" OPERATOR(pg_catalog.->>) 1)::pg_catalog.float8,
  1.1741 +                  $2
  1.1742 +                )
  1.1743 +              ))
  1.1744 +              FROM pg_catalog.jsonb_array_elements("coord_array") AS "coord"
  1.1745 +            )
  1.1746 +          ))
  1.1747 +          FROM pg_catalog.jsonb_array_elements(
  1.1748 +            $1 OPERATOR(pg_catalog.->) 'coordinates'
  1.1749 +          ) AS "coord_array"
  1.1750 +        );
  1.1751 +      END IF;
  1.1752 +      IF "tp" = 'Polygon' THEN RETURN
  1.1753 +        ( SELECT @extschema@.ecluster_concat(pg_catalog.array_agg(
  1.1754 +            ( SELECT @extschema@.ecluster_create_polygon(pg_catalog.array_agg(
  1.1755 +                @extschema@.coords_to_epoint(
  1.1756 +                  ("coord" OPERATOR(pg_catalog.->>) 0)::pg_catalog.float8,
  1.1757 +                  ("coord" OPERATOR(pg_catalog.->>) 1)::pg_catalog.float8,
  1.1758 +                  $2
  1.1759 +                )
  1.1760 +              ))
  1.1761 +              FROM @extschema@.GeoJSON_LinearRing_vertices("coord_array", $2)
  1.1762 +              AS "coord"
  1.1763 +            )
  1.1764 +          ))
  1.1765 +          FROM pg_catalog.jsonb_array_elements(
  1.1766 +            $1 OPERATOR(pg_catalog.->) 'coordinates'
  1.1767 +          ) AS "coord_array"
  1.1768 +        );
  1.1769 +      END IF;
  1.1770 +      IF "tp" = 'MultiPolygon' THEN RETURN
  1.1771 +        ( SELECT @extschema@.ecluster_concat(pg_catalog.array_agg(
  1.1772 +            ( SELECT @extschema@.ecluster_concat(pg_catalog.array_agg(
  1.1773 +                ( SELECT @extschema@.ecluster_create_polygon(
  1.1774 +                    pg_catalog.array_agg(
  1.1775 +                      @extschema@.coords_to_epoint(
  1.1776 +                        ("coord" OPERATOR(pg_catalog.->>) 0)
  1.1777 +                        ::pg_catalog.float8,
  1.1778 +                        ("coord" OPERATOR(pg_catalog.->>) 1)
  1.1779 +                        ::pg_catalog.float8,
  1.1780 +                        $2
  1.1781 +                      )
  1.1782 +                    )
  1.1783 +                  )
  1.1784 +                  FROM @extschema@.GeoJSON_LinearRing_vertices(
  1.1785 +                    "coord_array", $2
  1.1786 +                  ) AS "coord"
  1.1787 +                )
  1.1788 +              ))
  1.1789 +              FROM pg_catalog.jsonb_array_elements("coord_array_array")
  1.1790 +              AS "coord_array"
  1.1791 +            )
  1.1792 +          ))
  1.1793 +          FROM jsonb_array_elements(
  1.1794 +            $1 OPERATOR(pg_catalog.->) 'coordinates'
  1.1795 +          ) AS "coord_array_array"
  1.1796 +        );
  1.1797 +      END IF;
  1.1798 +      IF "tp" = 'GeometryCollection' THEN RETURN
  1.1799 +        ( SELECT @extschema@.ecluster_concat(pg_catalog.array_agg(
  1.1800 +            @extschema@.GeoJSON_to_ecluster("geometry", $2)
  1.1801 +          ))
  1.1802 +          FROM pg_catalog.jsonb_array_elements(
  1.1803 +            $1 OPERATOR(pg_catalog.->) 'geometries'
  1.1804 +          ) AS "geometry"
  1.1805 +        );
  1.1806 +      END IF;
  1.1807 +      IF "tp" = 'Feature' THEN RETURN
  1.1808 +        @extschema@.GeoJSON_to_ecluster(
  1.1809 +          $1 OPERATOR(pg_catalog.->) 'geometry', $2
  1.1810 +        );
  1.1811 +      END IF;
  1.1812 +      IF "tp" = 'FeatureCollection' THEN RETURN
  1.1813 +        ( SELECT @extschema@.ecluster_concat(pg_catalog.array_agg(
  1.1814 +            @extschema@.GeoJSON_to_ecluster("feature", $2)
  1.1815 +          ))
  1.1816 +          FROM pg_catalog.jsonb_array_elements(
  1.1817 +            $1 OPERATOR(pg_catalog.->) 'features'
  1.1818 +          ) AS "feature"
  1.1819 +        );
  1.1820 +      END IF;
  1.1821 +      RETURN NULL;
  1.1822 +    END;
  1.1823 +  $$;
  1.1824 +

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